High electron mobility in a columnar phase of liquid-crystalline perylene tetracarboxylic bisimide bearing oligosiloxane chains

被引：79

作者：

Funahashi, Masahiro ^{[1
]}

Sonoda, Akinari ^{[1
]}

机构：

[1] Kagawa Univ, Dept Adv Mat Sci, Fac Engn, Takamatsu, Kagawa 7610396, Japan

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2012年 / 22卷 / 48期

基金：

日本科学技术振兴机构; 日本学术振兴会;

关键词：

FIELD-EFFECT TRANSISTORS; INDEPENDENT HOLE MOBILITY; CHARGE-CARRIER MOBILITY; THIN-FILM TRANSISTORS; ORGANIC PHOTOVOLTAICS; OPTICAL-PROPERTIES; SELF-ORGANIZATION; TRANSPORT; SEMICONDUCTORS; DYES;

D O I：

10.1039/c2jm35579e

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A liquid-crystalline (LC) semiconductor based on perylene tetracarboxylic bisimide (PTCBI) bearing four 1,1,1,3,3-pentamethyldisiloxane chains was synthesized. This LC PTCBI derivative exhibits ordered columnar phases and the low temperature columnar phase is retained below room temperature. The electron mobility in the ordered columnar phase of this compound at room temperature exceeds 0.1 cm(2) V-1 s(-1). Moreover, this compound is soluble in various organic solvents, except alcohols, and thin films in which the columnar aggregates are aligned parallel to the substrates are produced by spin-coating. In particular, LC thin films in which the columnar stacks are uniaxially oriented can be produced by a friction transfer method.

引用

页码：25190 / 25197

页数：8

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